/*

    Copyright (C) 2015 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    This is the "ImageFile" class declaration.

*/

#import <Foundation/Foundation.h>

// This is our Model representation of an image file.  It provides access to the file's properties and its contained image, including pixel dimensions and a thumbnail preview.

@interface AAPLImageFile : NSObject

{

    CGImageSourceRef imageSource;           // NULL until metadata is loaded

    NSDictionary *imageProperties;          // nil until metadata is loaded

}

- (id)initWithURL:(NSURL *)newURL;

#pragma mark File Properties

@property(copy) NSURL *url;

@property(copy) NSString *fileType;

@property unsigned long long fileSize;

@property(copy) NSDate *dateLastUpdated;

@property(copy) NSArray *tagNames;

@property(readonly) NSString *filename;

@property(readonly) NSString *filenameWithoutExtension;

@property(readonly) NSString *localizedTypeDescription;

@property(readonly) NSString *dimensionsDescription;

#pragma mark Image Properties

@property(readonly) NSInteger pixelsWide;

@property(readonly) NSInteger pixelsHigh;

@property(strong) NSImage *previewImage;

#pragma mark Loading

// These are triggered automatically the first time relevant properties are requested, but can be invoked explicitly to force loading earlier.

- (BOOL)loadMetadata;

- (void)requestPreviewImage;

@end